PLATE XXXVII. 
Figs. 1-8. Ccelocormus huxleyi, n. sp. 
Figs. 9-14. Leptoclinum moseleyi, n. sp. 
a Anus. 
en. Endostyle. 
i. Intestine. 
Lower surface of colony. 
m. Mantle. 
w. h. Muscle band in mantle. 
(B. CEsophagus. 
sg. Stigmata of branchial sac. 
), sp', sp”. Spicules in test. 
sph. Sphincter. 
st. Stomach. 
t: Test. 
t.c. Test cells. ’ 
t. m. Test matrix. 
tr. Transverse vessel of branchial sac. 
u. s. Upper surface of colony. 
Fig. 1. Colony of Ccelocormus huxleyi, from the side ; natural size. 
Fig. 2. Colony of Ccelocormus huxleyi, from the edge, showing the terminal opening ; 
natural size. 
Fig. 3. Section of part of colony of Ccelocormus huxleyi ; slightly enlarged. 
Fig. 4. Spicules from test of Ccelocormus huxleyi; highly magnified (S., ^ inch). 
Fig. 5. Part of mantle of Ccelocormus huxleyi; highly magnified (S., ^ inch). 
Fig. 6. Part of branchial sac of Ccelocormus huxleyi; magnified (S., 1 inch). 
Fig. 7. Small part of branchial sac of (76B?ocormw5 ; highly magnified (S., ^ inch). 
Fig. 8. Alimentary canal of Ccelocormus huxleyi; magnified (S., 1 inch). 
Fig. 9. Colony of Leptoclinum moseleyi, from upper surface ; natural size. 
Fig. 10. Vertical section of colony of Leptoclinum moseleyi, showing arrangement of 
spicules in test, and structure of Ascidiozooids ; magnified (S., 1 inch). 
Fig. 11. Part of section of test of Leptoclinum moseleyi ; highly magnified (S., ^ inch). 
Fig. 12. Vertical section of branchial aperture of Leptoclinum moseleyi ; highly magnified 
(S., inch). 
Fig. 13. (Esophageal region of Ascidiozooid of Leptoclinum moseleyi, showing arrange- 
ment of retractor muscles ; highly magnified (S., inch). 
Fig. 14. Part of branchial sac of Leptoclinum moseleyi; highly magnified (S., ^ inch). 
